Search results

1. Cephalopod research in the Antarctic

   collection of squid from the vicinity of the South Georgia shelf break. The collection, together ... million tonnes per year respectively, demonstrate the importance of squid in the ecosystem ... of data in turn may be useful, in the future, for predicting year class strength of exploited species ... span is approximately one year; spawning occurs once and is quickly followed by death. Size ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Author(s): Rodhouse, P.G.

2. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   , ~ 0 6 p a ~ ~ o f i MeXAyHapOAHblMM HayYHblMM H ~ ~ J I I Q A Z ~ T ~ J ~ R M I ? C KaXAOrO CynHa. TaKllM 06pa30~ CTaJIO ... , ~ a G n m n a u u ~ ~ ~ c ~ B xone 3~01-o ce30~a. 0 6 w a ~ 3aperMCTpkipOBaHHaR CMepTHOCTb COCTaBMna 1 428 HTkiq, PI3 KOTOPblX ... ~ O ~ O Y H Y H ) CMePTHOCTb IIepeMeHHbIX IIOKa3bIBaeT, YTO PaCCTORHMe OT CYIllki, @a3a JIyHbI, MCnOJIb30BaHMe JIMaefi ... of methods of minimising the impact of fisheries on related species, as specified by Article I1 ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

3. International CCAMLR applied research and monitoring program, Prydz Bay priority area

   by Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program ... five years of an International CCAMLR Applied Research and Monitoring Program in the Prydz Bay area ... of a proposed scientific research contribution by Australia towards the first five years of an International ... , the following notes outline the direct contribution which Australia proposes to make to a first five year ... and strategies. This requires the following research objectives • To quantify year to year fluctuation ... Australia) is now conducted every third year. 4.5 Elephant Seals While the main thrust of the CCAMLR ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Author(s): Australia

4. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

   already contributed to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 ... research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... , 1986. File:  20-USA.pdf ... to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 and 1980 the populations of blue, fin, sei ... to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 and 1980 the populations of blue, fin ... of a dedicated research vessel capable of operating in Antarctic waters for a period of 180 days each year ... - vigueur les articles de la CCAMLR pour les Etats-Unis. Le Congres a estime que des programmes de ... ,l(rrHcaH rrpe3H,l(eHTOM PeHraHoM H BCTyrrHJI B AeHcTBHe 8 HOJl6pJl 1984 r., 06J13hlBaJl, TaKHM o6pa30 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Author(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

5. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... –11.0 and 15.1–15.5 cm. Mean lengths of 4.9 and 7.3 cm (at ages 1.3 and 2.3 years respectively ... 6 to 9 years. File:  05sutton-horn.pdf ... sampled from the Ross Sea. 0 10 20 30 40 50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Age (years) Fr eq ... ue nc y Age (years) Fr eq ue nc y 50 40 30 20 10 ... on board and again after one year stored frozen at –20°C did not differ in length. Von Bertalanffy ... for small juveniles, to 33 years for the largest individual (20.5 cm SL). The L∞ value for both sexes com ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn

6. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   was estimated to be –0.6 years and residual variance 2.9. Age distributions of toothfish caught by two vessels ... by trawlers and longliners at Kerguelen, and longevity was estimated to be 36 years. Total instantaneous ... to measure precision; relative bias for the age data was estimated to be –0.6 years and residual ... at Kerguelen, and longevity was estimated to be 36 years. Total instantaneous mortality Z was estimated ... a ge ( ye ar s) 0 10 20 30 40 50 Reference age (years) 0 10 20 30 40 50 E st im at ed ... Estimated age (years) 0 10 20 30 40 50 T ot al le ng th ( cm ) 0 20 40 60 80 100 120 140 ... 1 1 1 1 130 1 Total 1 10 20 39 39 21 30 27 23 19 23 14 22 21 21 20 6 16 Prop. 0.00 ... a South Georgia reference collection, compared to reference ages. 0 10 20 30 40 50 E st im at ed ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Author(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

7. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   Smallest Difference (d) (1 0%) 1 2 1 9 (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required ... for five years of monitoring and a = 0.10 Smallest Difference (d) (5 %) 30 51 (% Current Value ... of monitoring and a = 0.05 Smallest Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30 ... (% Current Value) (20 %) 9 1 4 (30%) 4 6 418 0.9 88 25 7 4 71 20 0.9 72 1 9 9 71 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Author(s): Whitehead, M.D.

8. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   was 1–5 years for males and 1–4 years for females of C. wilsoni. Applying the von Bertalanffy (VB) growth ... . Age-at-sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Like ... consisted mainly of adult individuals between 1 and 3 years of age, with very few older fish.   File ... . The estimated age range was 1–5 years for males and 1–4 years for females of C. wilsoni. Applying ... 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) a(a) Age (years ... 5 0 0 1 2 3 4 5 6 0 5 10 15 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) b(b) Age (years ... Islands. Age (years) Females Males TL (cm) 1 2 3 4 1 2 3 4 5 18 1 19 2 2 20 ... -excisura ostii 0 5 10 15 20 25 30 35 15 17 19 21 23 25 27 29 31 33 35 Total length (cm) S pe ci ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

9. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   that the stock could be expected to increase at an approximate rate of 30% per year with no fishing ... and catch over the next 20 years for the major species of concern at different fishing mortalities ... for each of the 20-year runs. For each set of parameters, ten simulation runs were made. The average ... of the ten 20-year projections for the stock size and catch in numbers and weight are given in Table ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Author(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

10. The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters

    1-............. _ .......... _ .... " ...... --............................................... " .... -................................ " ...................... " .... " .... " .............................. " ............... " ................ " .......... " ..................... " .... " .............. .. 1 0 1-.. "'" .' .'"."."." " ....... "--.... '" .. " .. " ............ " . --. " .. ""." .......... " ... "." ..... " .... -.. " .. --." .. --............... ' ... " ---......... " ............. " ..... -.. " .. ,,' ...... . .._ ...... o IL-______________ L-______________ ~ ______________ J-______________ ~ o 10 20 30 40 dec 13 1987 ... , together with krill swarming behaviour, makes it extremely difficult to ensure that the area of sampling ... , all krill taken from stomachs of a particular group of penguins were pooled together in order ... 1-.............. _ .... " ................ " .... " .... " .......... " .... " .......... " ......... -......... " ................ " .... " ............... " .... " ................... " .... -........... " .... ~ .... -........... --............ " ..................... " .......... " ......... . . -.-.•• ~ ..••.••.•...••.• H._ ••..••• ~ ••••..•.•• a ...... ~.~ ••.... 30 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González

Pages